Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-07-31
Phys.Rev.D76:105031,2007
Physics
High Energy Physics
High Energy Physics - Theory
13 pages, 6 figures, revtex styles
Scientific paper
10.1103/PhysRevD.76.105031
The influence of Lorentz- and CPT-violating terms of the extended Standard Model on a semi-classical two-level system is analyzed. It is shown that the Lorentz-violating background (when coupled with the fermion sector in a vector way) is able to induce modifications on the Rabi oscillation pattern, promoting sensitive modulations on the usual oscillations. As for the term involving the coefficient coupled in an axial vector way, it brings about oscillations both on energy states and on the spin states (implied by the background). It is also seen that such backgrounds are able to yield state oscillations even in the absence of the electromagnetic field. The foreseen effects are used to establish upper bounds on the Lorentz-violating coefficients.
Ferreira Manoel M. Jr.
Gomes Adalto R.
Lopes Rafael C. C.
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